determinant
Americannoun
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determinants
plural
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a determining agent or factor.
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Mathematics. an algebraic expression of the sum of products of elements, each with an appropriate algebraic sign, usually written in a square array and used in the solution of systems of linear equations.
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Also called antigenic determinant,. Also called epitope. Immunology. any site on an antigen molecule at which an antibody can bind, the chemical structure of the site determining the specific combining antibody.
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Genetics Archaic. a gene.
adjective
noun
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a factor, circumstance, etc, that influences or determines
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maths a square array of elements that represents the sum of certain products of these elements, used to solve simultaneous equations, in vector studies, etc Compare matrix
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of determinant
First recorded in 1600–10; from Latin dēterminant- (stem of dētermināns ), present participle of dētermināre; see determine, -ant
Explanation
A determinant is a factor or cause that makes something happen or leads directly to a decision. The word determinant hasn't strayed much from its roots in the Latin word for "determining." As a noun or adjective, it refers to determining or deciding something. A snowstorm could be a determinant in school being canceled. Or a good health-care plan could be the determinant in someone taking a job. The determinant cause of a disease is responsible for the spread of the disease. Anything described as determinant is important.
Vocabulary lists containing determinant
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
If the Jacobian determinant is always a constant number that is not zero, then the function never folds or crushes space around a particular point.
From Science Daily ● Aug. 6, 2026
How much weight a drug helps patients lose is a key determinant of market success and studies comparing the weight-loss effects of one drug compared with a rival one are hotly watched.
From The Wall Street Journal ● Jul. 24, 2026
The crucial determinant of market direction, however, is what Hartnett calls the Maginot Line of the 5% level on the 30-year U.S.
From MarketWatch ● May 1, 2026
“Housing is the biggest determinant of health outcomes including heart disease,” he said.
From Los Angeles Times ● Mar. 10, 2026
I have been dwelling on latitude, readily assessed by a glance at a map, because it is a major determinant of climate, growing conditions, and ease of spread of food production.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
Fourth: Housing is one of the most important determinants of our health.
From MarketWatch ● Apr. 23, 2026
Along with neighbouring Torfaen, Blaenau Gwent is the first Marmot council in Wales - this means it is committed to reducing health inequalities by addressing social determinants such as education, employment, and housing.
From BBC ● Apr. 18, 2026
"For many years, lifespan was attributed mainly to non-genetic factors, fueling skepticism about genetic determinants of longevity."
From Science Daily ● Apr. 13, 2026
“While a resilient stock market and higher interest rates helped fuel our financial results, the more lasting determinants of long-term success are delivering exceptional customer service and growing market share,” Johnson wrote.
From The Wall Street Journal ● Mar. 2, 2026
First, Dobzhansky noted, genotypes were not the sole determinants of phenotypes.
From "The Gene" by Siddhartha Mukherjee
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
